Spiral Pipe Diffuser with Transition Box SD34-24X12G Spiral Pipe Diameter:8" Standard Features *Surface mount return

Standard Features *Surface mount return air grille * 0 fixed blades parallel to longest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 937 O - recessed screwdriver operated opposed blade damper * No Labor Collar (square sizes only) * 900 T - T-Bar mount * 905 HD - reinforced construction * 905 IS - insect screen * 1335-1338 Series - stainless steel version * Tamper proof screws

Round Bowtie Damper

Performance Data

032 Aluminum construction * Tamper proof screws * Standard Color

Standard Features * Radius flush style spiral mount diffuser * Single piece formed frame * Curved frame fits flush to spiral pipe * Single deflection * Nylon bushings for easy adjustment * Adjustable blades are parallel to shortest dimension * Available in 8" thru 36" spiral diameters (Note: spiral diameter must be 4" larger than register width) * Soft White Options * RS52-GALV - Single piece galvanized steel with formed frame * RS52-SC - Screwdriver operated air scoop * RS52 O - with recessed screwdriver operated opposed blade damper * Standard Color or Designer Color Finish available on this product

Spiral Pipe Diffuser with Transition Box SD34-24X12G Spiral Pipe Diameter:8" Standard Features *Surface mount returnSD34 Transition Box Spiral Pipe Grille (DOUBle Deflection) Standard Features Double deflection transition box mount spiral pipe grille Blades are parallel to the shortest dimension Allows for 4 way airflow adjustment Nylon bushings on adj. blades prevent metal on metal rattle Curved saddle with gasket provides airtight fit to spiral pipe Product sizes available to fit spiral pipe diameters 8 48." Spiral pipe diameter must be 4 larger than Height of